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MySQL Multi Source Replication With GTID and Non-GTID Mode
During our recent migration we migrated a part of a app to different region with new db. Our previous setup was on MySQL 5.6.39 with single write master and multiple slave to read data. Current...
View ArticleInnoDB-Cluster-Devops-mysqlsh-command-usage
Features and capabilities continue to arrive in MySQL 8.0, most recently noted in the GA release of MySQL 8.0.13. The mysql-shell 8.0.12 release introduced a number of things, an important part was a...
View ArticleEnterprise Backup Support in InnoDB Cluster 8.0
In this blog post, I’ll highlight new Backup Support in the MySQL Enterprise Backup 8.0 utility for Group Replication and InnoDB Cluster. This will also include usage of the MySQL login-path utility...
View ArticleUsing MySQL Enterprise Backup on InnoDB Cluster – Member Restore Use Cases
This is a quick blog demonstrating a couple backup Restore uses cases within a MySQL InnoDB Cluster 8.0 setup. The backup used was completed in a previous blog (part 2 in this series) with the MySQL...
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What Happens If You Set innodb_open_files Higher Than open_files_limit?
The settings of MySQL configuration variables have a fundamental impact on the performance of your database system. Sometimes it can be a little tricky to predict how changing one variable can affect...
View ArticleMySQL Partition Manager (Yahoo!) in a nutshell
Partitioning is a way of splitting the actual data down into separate .ibd files (data compartments) in the file system based on the defined ranges using the partitioning key. It can help us with...
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The Symfony Demo Application and MySQL 8
The Symfony Frame work is very popular with PHP developers and it has a very nice Demo Application to help novices learn the intricacies involved. But the demo does not use MySQL. So this blog entry...
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MySQL InnoDB Cluster with 2 Data Centers for Disaster Recovery: howto – part 2
In the first part of this howto, I illustrated how to setup two MySQL InnoDB Cluster linked by an asynchronous replication. In that solution, I didn’t use any replication filters to ignore the...
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MySQL High Availability: Stale Reads and How to Fix Them
Continuing on the series of blog posts about MySQL High Availability, today we will talk about stale reads and how to overcome this issue. The Problem Stale reads is a read operation that fetches an...
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Cloud Backup Options for MySQL & MariaDB Databases
The principal objective of backing up your data is, of course, the ability to roll back and access your archives in case of hardware failure. To do business today, you need the certainty of knowing...
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Percona Server for MySQL 5.6.42-84.2 Is Now Available
Percona announces the release of Percona Server 5.6.42-84.2 on November 29, 2018 (Downloads are available here and from the Percona Software Repositories). Based on MySQL 5.6.42, including all the bug...
View ArticleShinguz: MariaDB indexing of NULL values
In the recent MariaDB DBA advanced training class the question came up if MariaDB can make use of an index when searching for NULL values... And to be honest I was not sure any more. So instead of...
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10 Node Frameworks to Use in 2019
Introduction More developers have switched to using JavaScript to build more applications, especially for the web. This has brought about an exponential growth in the usage of frameworks built...
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MySQL High Availability Framework Explained – Part I
In this two-part blog series, we will explain the details and functionality of a High Availability (HA) framework for MySQL hosting using MySQL semisynchronous replication and the Corosync plus...
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Database Backup Encryption - Best Practices
Offsite backup storage should be a critical part of any organisation’s disaster recovery plan. The ability to store data in a separate physical location, where it could survive a catastrophic event...
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How To Install October CMS on Mac
How To Install October CMS on Mac is today’s leading topic. October CMS is built on Laravel Framework, the best existing PHP framework. Laravel framework includes all of the tools and classes that...
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Using AI and satellite imagery for disaster insights
WHAT THE RESEARCH IS: A framework for using convolutional neural networks (CNNs) on satellite imagery to identify the areas most severely affected by a disaster. This new method has the potential to...
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MySQL 8: Drop Several Stored Events, Procedures, or Functions
Tweet Maybe the biggest new feature in MySQL 8 is the new transaction data dictionary that improves the consistency of schema objects among other things. To further protect the data in the data...
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Fun with Bugs #74 - On MySQL Bug Reports I am Subscribed to, Part XI
For some reason the Committee of FOSDEM 2019 MySQL, MariaDB & Friends Devroom of all my talks submitted picked up the one on how to create a useful MySQL bug report, so I have no options but...
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Schoko Toffee Cookies
Nachdem ich zufällig über das YouTube Video zum “Brown Butter and Toffee Chocoloate Chip Cookies” Rezept von “bon appétit” gestolpert war, habe ich heute die zweite Ladung Kekse produziert. Da das...
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